Cheap flights from Johannesburg OR Tambo Airport to London from £240

The cheapest month to fly to London from Johannesburg OR Tambo Airport is in February. Flight prices, which tend to average around £560, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Johannesburg OR Tambo Airport averaging around £591.

Our data shows that Thursday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £679. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Johannesburg OR Tambo Airport to London for around £748.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £510. Flights in the evening are often more expensive, with an average ticket price of £697.

Fly from Johannesburg OR Tambo to London Heathrow for the best Johannesburg OR Tambo - London flight prices

You are more likely to see cheaper flights to London from Johannesburg OR Tambo Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £645 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Johannesburg OR Tambo Airport for as low as £632 on momondo.

There are 4 cabin classes available to choose from on Johannesburg OR Tambo Airport to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 1% on your flight if you consider stops on a Johannesburg OR Tambo Airport to London flight.

As of October 2026, prices for Johannesburg OR Tambo Airport to London flights are approximately 6% more expensive when compared to flights at the same time last year.

Virgin Atlantic, RwandAir, and Turkish Airlines are the most popular carriers operating from Johannesburg OR Tambo to London

British Airways, Virgin Atlantic and RwandAir are the top three most popular airlines that fly to London from Johannesburg OR Tambo Airport according to our data. British Airways is the first choice among our users, with 42% of people opting to fly with this airline when travelling to London. Keep in mind that there are 11 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 5% of flights between Johannesburg and London have experienced a delay on any given week. The average delay length over the past 12 months has been 182 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 5% of their flights experiencing any sort of delay.

Kigali (KGL) was the most common stop: 31% of momondo users choosing one-stop flights on this route connected there.

Flights via Algiers (ALG) offer the lowest average return price of £339.

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 13h 35m.

Zurich (ZRH) has the shortest average stopover time for this route: 0h 58m.

As of October 2026, 12 flights take off from Johannesburg OR Tambo Airport and land in London each day. The most common flight departure time for this route is 20:00, with 100% of daily flights taking off in the evening.

84 flights are operational weekly from Johannesburg OR Tambo Airport to London as of October 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.